Effect of acoustic disturbances on a free convective flow

A gas-dynamic flow in an axisymmetric convective jet is studied experimentally. It is demonstrated that the jet flow with Grashof numbers Gr = (0.4-2.0) * 10 is self-similar. Acoustic oscillations directed perpendicular to the axis of symmetry transform the profiles of the gas-flow parameters; two t...

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Published in:Journal of applied mechanics and technical physics 2006-09, Vol.47 (5), p.637-642
Main Author: Golovanov, A. N.
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Language:English
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description A gas-dynamic flow in an axisymmetric convective jet is studied experimentally. It is demonstrated that the jet flow with Grashof numbers Gr = (0.4-2.0) * 10 is self-similar. Acoustic oscillations directed perpendicular to the axis of symmetry transform the profiles of the gas-flow parameters; two temperature maximums located outside the axis can appear. The results obtained indicate that flow instability is generated in high-gradient regions.
doi_str_mv 10.1007/s10808-006-0099-8
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title Effect of acoustic disturbances on a free convective flow
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